Links
My Esnips Pages (Where you can download the books!)
PRIMER:
http://www.esnips.com/web/SamuelGreenGreek
LARGER GRAMMAR:
http://www.archive.org/details/HandbookToTheGrammarOfTheGreekTestamentByRev.SamuelG.GreenDd
(or try the old link, which is a bit more of a hassle)
http://www.esnips.com/web/GreenGreekHandbook
My Other Site (In case you are interested in learning Old Testament Hebrew)
http://greenhebrew.blogspot.com/
Others' Sites (Which I think will be useful to you.)
Merilyn Phemister's Greek New Testament Audio reading of the Wescott-Hort Greek New Testament, 1881.
http://www.ccel.org/a/anonymous/gnt/home.html